Bedienungsanleitung DeWalt D25851K (Seite 10 von 36) (Englisch, Französisch, Spanisch, Alle Sprachen)

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if the lock-on slider is activated when changing from chisel

mode into hammerdrillingmode.

D25831, D25851

For continuous operation, move the toggle switch1 to the

on position. To stop continuous operation, move the toggle

switch to the offposition.

Soft Start Feature

The soft start feature allows you to build up speed slowly,

thus preventing the drill bit from walking off the intended

hole position when starting. The soft start feature also

reduces the immediate torque reaction transmitted to the

gearing and the operator if the hammer is started with the

drill bit in an existinghole.

Hammerdrilling with a Solid Bit (Fig. A, E)

D25501, D25553, D25601, D25603,

D25651

NOTE: The D25831 and D25851 have only chipping modes

with no hammerdrillingcapability.

1. Set the mode selector6 to hammerdrillingmode.

2. For D25603 and D25651 only, move the torque control

lever 8  to Setting 1 14 .

3. Set the speed and impact control dial7.

4. Insert the appropriate drillbit.

5. Adjust the side handle (front or rear position)3.

6. Mark the spot where the hole is to bedrilled.

7. Place the drill bit on that mark and depress the trigger

switch1.

8. Apply only enough pressure to engage active

vibration control (refer to SHOCKS Active Vibration

Control®System).

9. To stop the tool, release the trigger switch.

Always turn the tool off when work is finished and

beforeunplugging.

Hammerdrilling with a Core Bit (Fig. A, E)

D25501, D25553, D25601, D25603,

D25651

CAUTION: Do not use a core bit for hammerdrilling

wood. Personal injury and damage to tool mayresult.

NOTE: The D25831, D25851 have only chipping modes with

no hammerdrillingcapability.

1. Set the mode selector6 to hammerdrillingmode.

2. For D25603 and D25651 only, move the torque control

lever 8  to Setting 2 11 .

3. Turn the speed and impact control dial7 to the

desiredspeed.

4. Adjust the side handle (front or rear position)3.

5. Assemble the centering bit and adapter shank into

corebit.

6. Mark the spot where the hole is to bedrilled.

7. Place the centering bit on that mark and depress the

trigger switch1.

NOTE: Some core drills require the removal of centering

bit after about 1 cm of penetration. If so, remove and

continuehammerdrilling.

8. When hammerdrilling through a structure thicker than

the depth of the core bit, break away the round cylinder

of concrete or core inside the bit at regular intervals. To

avoid unwanted breaking away of concrete around the

hole, first drill a hole the diameter of the centering bit

completely through the structure. Then drill the cored

hole halfway from each side of thestructure.

9. To stop the tool, release the trigger switch.

Always turn the tool off when work is finished and

beforeunplugging.

Chipping and Chiseling (Fig. A)

D25831, D25851

1. Set the mode selector6 to chippingmode.

2. Set the impact control dial7 to desired setting (refer to

Electronic Speed and ImpactControl).

3. Insert the appropriate chisel and rotate it by hand to

lock it into the desiredposition.

NOTE: For SDS Max models, only use SDS Maxbits.

4. Adjust the side handle (front or rear position)3.

5. Depress the trigger switch1.

6. Apply only enough pressure to engage active

vibration control (refer to SHOCKS Active Vibration

Control®System).

7. To stop the tool, release the trigger switch.

Always turn the tool off when work is finished and

beforeunplugging.

MAINTENANCE

WARNING: To reduce the risk of serious personal

injury, turn unit off and disconnect it from

power source before making any adjustments or

removing/installing attachments or accessories.

An accidental start-up can causeinjury.

Cleaning

WARNING: Blow dirt and dust out of all air vents with

clean, dry air at least once a week. To minimize the risk

of eye injury, always wear ANSI Z87.1 approved eye

protection when performingthis.

WARNING: Never use solvents or other harsh

chemicals for cleaning the non-metallic parts of

the tool. These chemicals may weaken the plastic

materials used in these parts. Use a cloth dampened

only with water and mild soap. Never let any liquid

get inside the tool; never immerse any part of the tool

into aliquid.

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